Nagios Core comparisons
Nagios Core is compared head-to-head with Checkmk, Zabbix and Netdata and more: 7 head-to-heads in Server Monitoring, each with the specs and prices we checked.
Nagios Core head-to-head
- Nagios Core vs Checkmk
- Nagios Core vs Zabbix
- Nagios Core vs Netdata
- Nagios Core vs Prometheus
- Nagios Core vs ManageEngine OpManager
- Nagios Core vs Paessler PRTG Network Monitor
- Nagios Core vs Icinga
Nagios Core vs each of them
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 8 | Nagios Core | Yes | Free | 8.7 |
| 1 | Checkmk | Yes | €190/mo | 9.4 |
| 2 | Zabbix | Yes | €245/mo | 9.3 |
| 3 | Netdata | Yes | $4.50/unit/mo | 9.2 |
| 4 | Prometheus | Yes | Free | 9.1 |
| 5 | ManageEngine OpManager | Yes | $95/yr | 9.0 |
| 6 | Paessler PRTG Network Monitor | Yes | $200/mo | 8.9 |
| 7 | Icinga | Yes | 8.8 |
Compare Nagios Core with any server monitoring
These are the matchups our editors wrote up. The compare tool pairs Nagios Core with any other product in Server Monitoring — and up to four at once — from the same checked specs.
Compare Nagios Core with any tool side by side →
Every server monitoring head-to-head →
Our full Nagios Core verdict, pricing and fact sheet →
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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update